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Description

Aircompressor is a library with ports of the Snappy, LZO, LZ4, and Zstandard compression algorithms to Java. In versions 3.3 and below, incorrect handling of malformed data in Java-based decompressor implementations for Snappy and LZ4 allow remote attackers to read previous buffer contents via crafted compressed input. With certain crafted compressed inputs, elements from the output buffer can end up in the uncompressed output, potentially leaking sensitive data. This is relevant for applications that reuse the same output buffer to uncompress multiple inputs. This can be the case of a web server that allocates a fix-sized buffer for performance purposes. There is similar vulnerability in GHSA-cmp6-m4wj-q63q. This issue is fixed in version 3.4.

PUBLISHED Reserved 2025-12-10 | Published 2025-12-12 | Updated 2025-12-15 | Assigner GitHub_M




MEDIUM: 6.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-201: Insertion of Sensitive Information Into Sent Data

CWE-125: Out-of-bounds Read

Product status

< 3.4
affected

References

github.com/...ressor/security/advisories/GHSA-vx9q-rhv9-3jvg

github.com/...ommit/f2b489b398779b40c1ee29ddb11d7edef54ddc15

github.com/...ommit/ff12c4d5757c9d6d1de3d39a10402f1f84f9b765

cve.org (CVE-2025-67721)

nvd.nist.gov (CVE-2025-67721)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.